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Questions  

During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth
power of the volume. Then, the ratio of specific heats is 

a
1
b
1.33
c
1.67
d
1.4

detailed solution

Correct option is B

Equation of an adiabatic process is  pVγ=k                …(i)Given,   p3=kV4⇒ p3V4=k or pV4/3=kComparing Eqs. (i) and (ii), we getγ=43=1.33

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